update hashing tool to read the error message from the correct fields

HashingCmd/Program.cs

@@ -183,8 +183,12 @@ hashingcmd.exe
 		{
 			var args = evt.ValidationEventArgs;
 			if (severity == XmlSeverityType.Error) {
+				if (args == null) {
+					throw new Exception(string.Format("Validation error: {0}", evt.Exception.Message), evt.Exception.InnerException);
+				}
+
 				throw new Exception(string.Format("Validation error: {0}" + Environment.NewLine +
-										"Line: {1}", args.Message, args.Exception.LineNumber), evt.Exception);
+												"Line: {1}", args.Message, args.Exception.LineNumber), evt.Exception);
 			} else {
 				Console.Error.WriteLine("Validation warning: {0}" + Environment.NewLine +
 										"Line: {1}", args.Message, args.Exception.LineNumber);

HashingTool/ViewModel/UserControl/XMLFileSelector.cs

@@ -285,12 +285,12 @@ namespace HashingTool.ViewModel.UserControl
 													(s, e) => {
 														Application.Current.Dispatcher.Invoke(
 															() => {
-																if (e.ValidationEventArgs == null) {
-																	LogError(
-																		string.Format(
-																			"XML file does not validate against a supported version of {0}",
-																			_expectedDocumentType.ToString()));
-																} else {
+																//if (e.ValidationEventArgs == null) {
+																//	LogError(
+																//		string.Format(
+																//			"XML file does not validate against a supported version of {0}",
+																//			_expectedDocumentType.ToString()));
+																//} else {
 																	LogError(
 																		string.Format(
 																			"Validation {0} Line {2}: {1}",
@@ -302,7 +302,7 @@ namespace HashingTool.ViewModel.UserControl
 																					: "")
 																				: e.ValidationEventArgs.Message,
 																			e.ValidationEventArgs == null ? 0 : e.ValidationEventArgs.Exception.LineNumber));
-																}
+																//}
 															}
 														);
 													}